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The number line is an infinite, graduated straight line having an origin and direction. The abscissa of a point corresponds to a positive or negative number.

**Click **the labels to replace the number by a question mark.

**Click **on the arrows to set the visible limits of the number line.

**Move **the markers on the line.

*Note: The number line expands or contracts to show integers on a maximum scale of 100 divisions.*

- To know how to represent integers on a number line.
- To understand the relative position between numbers.
- To know how to do operations (addition, subtraction) with the help of a number line.

The origin of the line is represented by the **zero**. The abscissa to the right of the origin are increasing and represent** positive numbers**. The abscissa on the left of the origin are decreasing…